Last Updated on September 20, 2020 by VDiscovery

The lungs are one of the most important organs of the human body. If someone’s lungs are damaged, that person can die from it can’t breathe. That is why one must always look after the health of his lungs, including from virus threats. The following is 5 Deadliest Virus Infectious Diseases Attack The Respiratory System :

Coronavirus COVID-19

This is a disease that is currently horrendous in the world. Disease COVID-19 is caused by a SARS virus variant named SARS-CoV-2. This virus first appeared in Wuhan city in December 2019 before it became widespread and became a global-scale epidemic such as now. The virus that causes COVID-19 is thought to have originally originated from bats before then infecting humans. Since its appearance, this virus then infected thousands of people throughout the world. Major cities in various parts of the world to implement a quarantine policy (lockdown) to limit the spread of this virus between humans.

Covid 19 top 5 deadliest virus infectious diseases attack the respiratory system vdiscovery arvinovoyage

COVID-19 has a mortality rate of 2.3% in sufferers. Even though it looks low, COVID-19 still cannot be underestimated eyes because they were attacked by this virus when previously suffering health problems have a much higher risk of dying due to COVID-19. Because COVID-19 is a relatively new virus, it doesn’t exist yet proven treatment for treating this disease. They which initially contracted the virus that causes COVID-19 will reveal symptoms such as dry cough, fever, and difficulty breathing.

In severe cases, this virus will develop into inflammation lungs that have the potential to kill their victims. That is why to now, someone is recommended to keep their distance from each other so they are not easily infected. People are also required to wash his hands periodically so that a virus accidentally sticks to it hands can disappear.


MERS is the name of the first respiratory disease appeared in Saudi Arabia in 2012. Because of this disease the first time appeared in a Middle Eastern country, this disease was given the name MERS originally an abbreviation of Middle East Repisatory Syndrome (Syndrome Middle East Respiratory Tract).

Like SARS, MERS is caused by a virus that is still classified as a family of CoV viruses. This disease was first estimated infect humans from camels in the Middle East region. When people from outside the Middle East return to their home countries each after a visit in the Middle East, this disease then spread to Europe, America and Asia.

MERS top 5 deadliest virus infectious diseases attack the respiratory system vdiscovery arvinovoyage

MERS is classified as a contagious disease despite its transmission not as fast as the flu. Someone usually gets MERS after doing it direct contact with MERS sufferers without wearing equipment adequate protection.

The main obstacle in stopping the spread of MERS is this disease usually only showing symptoms about 1 to 2 weeks after people the virus was first infected. Symptoms that commonly appear in MERS sufferers include fever, coughing, runny nose, sore throat, and difficulty breathing. In that case more rarely, MERS can also cause sufferers of diarrhea and vomiting blood.


Hantavirus is the name of a virus that causes deadly diseases Hantavirus Pulmonary Syndrome (HPS). This virus first appeared in The Korean War in the 1950s. More than 3,000 troops infected with this virus in which 12% of them later died. Although it appeared more than half a century ago, this virus is new attracted the attention of the wider Western nations after in 1993, a Navajo Indian man and his fiancee died only a matter of days after claiming to experience shortness of breath.

A few months after the two men died, health workers managed to infect hantavirus from mice that were at home sufferers of HPS. Hantavirus is known not to be transmitted directly between humans, but through the medium of rat droppings.

Hantavirus  top 5 deadliest virus infectious diseases attack the respiratory system vdiscovery arvinovoyage

According to the United States disease prevention agency, as many as more than 600 US residents have been infected by hantavirus. Someone new being infected with hantavirus initially will only show symptoms which is no different from the flu. But after 4 to 10 days, victims of hantavirus will begin to appear symptoms such as coughing up phlegm, fluid buildup in the lungs, and low blood pressure. Because this disease can get worse very quickly, ideally HSP disease is prevented from the start by maintaining so that the house remains clean and free of rats.

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When the carnivorous outbreak hit the world as it is now, not a few which compares the corona virus outbreak with the SARS outbreak had happened a few years before. Because the coronavirus outbreak or Covid-19 is considered to have many similarities with the SARS outbreak happened in 2002. Both the corona virus and SARS are both corona type viruses (CoV) which attacks the respiratory system. Both of these outbreaks too both started in China before they spread to various parts of the world.

SARS  top 5 deadliest virus infectious diseases attack the respiratory system vdiscovery arvinovoyage

SARS itself stands for Severe Acute Respiratory Syndrome (Acute Respiratory Syndrome). The name chosen to describe symptoms caused by this disease. Those who have SARS will show symptoms such as fever, chills, and muscle aches. After a while, SARS sufferers will having pneumonia or pneumonia.

SARS first appeared in southern Guangdong Province. According to scientists’ estimates, the SARS virus initially appeared in bats before then infecting the mongoose and finally helped attack humans. Since its first appearance in China, the SARS virus has since spread to 26 different countries and infects more than 8,000 people. As many more of the 770 people reported to have died of SARS in the range 2 years’ time.


Influenza or flu is a very common respiratory disease found during the transition period. Flu generally has no impact deadly to humans. But if the flu strikes people with weak immune system (for example the elderly), flu can cause casualties die. What makes the flu so dangerous is that the virus can spread very quickly and easily mutate. Each time a variable appears new flu virus, the virus can spread faster and cause a higher risk of death than its predecessor flu virus.

Influenza  top 5 deadliest virus infectious diseases attack the respiratory system vdiscovery arvinovoyage

Of the many flu outbreaks that have emerged, outbreaks of the Spanish flu virus, what emerged in 1918 was the worst. A total of more than 40% of the world’s population is estimated to have been infected by the flu virusSpain, with around 50 million fatalities. In a rather new case, in 2009 the world also had horrendous by an outbreak of swine flu caused by the H1N1 variant virus.As the name implies, this virus initially infected pigs before then moving to humans. A total of more than half a million people around the world is reported to have died from swine flu.

Contagious diseases have shaped human history and they remain with us today. As the new coronavirus (COVID-19) spreads across around the globe, such infectious diseases are top of mind for many of us. Stay safe And Clean guys!

Get the latest info from the WHO about COVID-19


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